..Future research is needed to investigate whether the changed preferences for sweet taste are stable over time and how these changed taste preferences are related to a change in the consumption of sugar rich foods...

Fruit consumption of boys (8--11 years) is related to preferences for sour taste

..In girls, the optimal balance between sweet and sour taste seems to be of less importance; their consumption of fruit may be more influenced by their parents, availability and health related motives...

Sweet and sour preferences during childhood: role of early experiences